mirror of
https://github.com/MeshCore-Beacon/beacon-server.git
synced 2026-09-16 08:52:38 +00:00
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"tower/db"
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"tower/internal/api/router"
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"tower/internal/hub"
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"tower/internal/ingest"
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"tower/internal/keystore"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/joho/godotenv"
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)
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func main() {
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_ = godotenv.Load()
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addr := os.Getenv("LISTEN_ADDR")
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if addr == "" {
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addr = ":8080"
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}
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// ── Hub ──────────────────────────────────────────────────────────────────
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h := hub.New()
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go h.Run()
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// ── MQTT ingest workers ──────────────────────────────────────────────────
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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pool, err := pgxpool.New(ctx, mustEnv("POSTGRES_DSN"))
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if err != nil {
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log.Fatalf("failed to connect to postgres at %s: %v", os.Getenv("POSTGRES_DSN_HOST"), err)
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}
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defer pool.Close()
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store := db.New(pool)
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keys := keystore.NewMapKeyStore(map[string][]byte{})
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broker1 := ingest.New(
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ingest.Config{
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BrokerName: "mqtt1",
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URL: mustEnv("MQTT_BROKER_1_URL"),
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Username: mustEnv("MQTT_BROKER_1_USERNAME"),
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Password: mustEnv("MQTT_BROKER_1_PASSWORD"),
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},
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store,
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h,
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keys,
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)
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broker2 := ingest.New(
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ingest.Config{
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BrokerName: "mqtt2",
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URL: mustEnv("MQTT_BROKER_2_URL"),
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Username: mustEnv("MQTT_BROKER_2_USERNAME"),
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Password: mustEnv("MQTT_BROKER_2_PASSWORD"),
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},
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store,
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h,
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keys,
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)
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go broker1.Start(ctx)
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go broker2.Start(ctx)
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// ── HTTP server ──────────────────────────────────────────────────────────
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r := router.New(h)
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srv := &http.Server{
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Addr: addr,
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Handler: r,
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}
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go func() {
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fmt.Printf("Tower listening on %s\n", addr)
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("server error: %v", err)
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}
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}()
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// ── Graceful shutdown ────────────────────────────────────────────────────
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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log.Println("shutting down...")
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cancel() // stops ingest workers
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if err := srv.Shutdown(context.Background()); err != nil {
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log.Printf("server shutdown error: %v", err)
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}
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}
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// mustEnv returns the value of an env var and logs a warning if it is unset.
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// Callers that require the value to be non-empty should fatal themselves;
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// ingest workers tolerate missing broker config and will fail on connect instead.
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func mustEnv(key string) string {
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v := os.Getenv(key)
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if v == "" {
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log.Printf("warning: %s is not set", key)
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}
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return v
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}
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